ADT221A, 222A & 223A Multifunction Calibrator
The ADT221/2/3 series of multifunction process calibrators are compact, highly accurate and versatile process tool. Calibrate low voltage electrical and current signals, T/C, RTD, frequency and pressure via optional pressure modules. HART functionality (ADT223A) allows the user to configure smart transmitters. All models are capable of documenting with optional software.